What is the structure called when bands are o | vedclass

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(C) Under an electron microscope,the chromatin fibers within the chromosome arms appear as a 'beads-on-a-string' structure. These beads are known as $

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Nucleosomes

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(C) Under an electron microscope,the chromatin fibers within the chromosome arms appear as a 'beads-on-a-string' structure. These beads are known as $Nucleosomes$. $A$ $Nucleosome$ consists of $DNA$ wrapped around a core of histone proteins. The appearance of bands or beads is due to the packaging of $DNA$ into these compact units.

What is the structure called when bands are observed in the arms of chromosomes under an electron microscope?

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